Side by side

Sugess Seestern S446 GMTvsSpinnaker Spence 300

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

13 of 29 specs differ
Diameter
Seestern S446 GMT40mm
Spence 30040mm
Power Reserve
Seestern S446 GMT41h
Spence 30040h
Water Resistance
Seestern S446 GMT100m
Spence 300300m
MSRP
Seestern S446 GMT$269
Spence 300$650

Full specifications

Case

6 specs
Category
GMT
Diver
Thickness
10mm
11.5mm
Lug-to-Lug
47mm
48mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Black
Aquamarine
Lume
Tritium
None

Movement

4 specs
Caliber
Seiko NH34
SII NH35A
Beat Rate
3 vph
28,800 vph
Power Reserve
41h
40h
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$269
$650

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sugess Seestern S446 GMT

Owners widely praise the Sugess Seestern S446 GMT for its outstanding finishing and materials at its price point, with specific mentions of the cream or ivory dial, polished hands, and clear crystal offering superb legibility. Accuracy is generally good, with one owner reporting +2/3 seconds per day from the Seiko NH34A movement. Some owners find the lume is not a strong point, and the bracelet clasp could benefit from more micro-adjustment, with screw pins noted as cheap. The GMT hand is described as flat by some, and opinions are split on the "Sugess" versus "Seestern" logo. Overall, owners rate the Sugess Seestern S446 GMT highly for its beautiful dial and excellent build quality for the price.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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